252 7th Avenue, Chelsea Mercantile for Sale – Demsker has just brought forth Loft 7N, Loft with Home Office, to market. First showing will be on 3/11/2012. The Chelsea Mercantile, 252 7th Avenue, is a lifestyle building making your time at home stress free and relaxing. It features an incredible gym, roof deck, doormen, concierge service, valet service, maid service, dry cleaners on site and garage access. The loft is the rare “N” line which is the top line at the Chelsea Mercantile for lofts with home offices. It has extra space and width plus an extra window that the other lines don’t posses. Also it offers an open kitchen with island while the others have galley kitchens.